08 Nox sport transmission coolier? - TerrainForum.net: GMC Terrain Forum
 
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post #1 of 7 (permalink) Old 04-20-2014, 09:00 PM Thread Starter
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08 Nox sport transmission coolier?

Hello everyone!

Got one question that i did not found any answer by searching this forum. I got a 08 nox sport v6 3.6l with a 16 foot light camper with weight 2600lbs. No big deal towing it with the proper weight transfert bars and anti sway.
The thing that bugs me is the tranny, should i add a transmission cooler or there is already one buildin inside the engine cooler? i tried looking but the v6 is so big that i did not find any hoses comming from/to the tranny.
I plan on towing my camper about 1500km this summer and i dont want to mess up with the tranny's life.

I would like youy input and your personal experience on this.

Once again thanks for helping!

Christian

Equinox 2008 Sport V6 3.6l
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post #2 of 7 (permalink) Old 04-20-2014, 10:39 PM
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Re: 08 Nox sport transmission coolier?

I can't speak from personal experience, but I think that Tranny coolers are only included from the factory if you have the factory towing package. If you don't have the cooler, then it would be wise to add one. It certainly cannot hurt, and can very well save you from needing a new tranny. Again, just my own opinions.


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2010 Equinox LTZ 2.4 L 4 cyl, FWD, S/R Cardinal Red/Black
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post #3 of 7 (permalink) Old 04-21-2014, 06:36 AM
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Re: 08 Nox sport transmission coolier?

Nearly all cars have transmission coolers and they are in the radiator.

Now you may want to add to this factory one with axillary one if you are in very hot climates and or drive in the mounts much.

If you are not taking the vehicle right to the limit or in extreme condition the factory one will handle it but it would never hurt add one as heat is what kills transmission.

You can add one in line and get a good one reasonably priced at Summit racing.

If it were mine I would add one just to have the protection and also a tranny temp gauge would not hurt just to keep an eye on things.

You could add it with a Aeroforce gauge as it plugs into the OBD port and not only will give you up to near 30 readings on the car but your tranny temp and converter slippage. It reads all the things your computer read. It will also give you oil temps too. I bought mine direct and I love it. They make them per your application.

http://aeroforcetech.com/products_interceptor.html

They are not just for performance cars.

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post #4 of 7 (permalink) Old 04-21-2014, 08:21 AM
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Re: 08 Nox sport transmission coolier?

Change the trans fluid a lot. There are comments on this in the manual.

2012 Equinox 2.4L 1LT AWD, black, 80,000 miles
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post #5 of 7 (permalink) Old 04-25-2014, 01:29 PM Thread Starter
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Re: 08 Nox sport transmission coolier?

Thanks Ralphalph for your answer.

I made a couple of search and adding anoter rad is cheap (about 35$) so i will be adding one in from of the main rad(cheaper than a new trannny). I also checked the obd gauge from aeroforcetech but it a bit expensive for my need.
I tried a Bluetooth odb reader with the android app DashCommand from Palmer performance engeneering. I can personalise the gauges i want and there is a datalogging option wich is really interesting for me.

One information that is missing is the normal operating temp and max temp. With that information i can set an alarm to prevent over heating the tranny.
Do someone have this information?

thanks

Equinox 2008 Sport V6 3.6l
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post #6 of 7 (permalink) Old 04-28-2014, 08:05 PM Thread Starter
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Re: 08 Nox sport transmission coolier?

Today I had to tow my hybrid camper to another location. So i took some times to log the temps with Dash command when in normal operation and while towing.

Normal engine temps is: 195 celcius
load: 200-205 celcius

Normal transmission temp: 68 celcius
Load: 85 celcius

So i'm assuming that the transmission is not over heating but i would like to know where the red zone would start and where it is dangerous. With that in hand i will be able to program the green and red zone for the transmission temp gauge.



Equinox 2008 Sport V6 3.6l
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post #7 of 7 (permalink) Old 04-29-2014, 01:38 AM
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Re:

First off, those engine temperatures look to be in degrees F, not C. An engine running at 195 degC (380+ degF) would be toast. Warped heads, etc.

I've generally seen the recommended transmission fluid temperature is less than 200 degF. Cooler temperatures mean longer fluid life and longer transmission life. Operating over 200 degF starts to shorten the fluid life. The transmission would still be fine as long as the fluid is changed sooner. But going over 240-250 degF is likely destructive for both, the fluid and transmission.

The temperatures you posted for your transmission look reasonable in degC. 200 degF is about 94 degC.

My opinion: if you're seeing transmission temperatures over 94 degC, then get an auxiliary cooler as it'll help prolong your transmission. If the temperatures remain lower than 94 degC, then don't bother with another cooler cuz the factory setup is cooling sufficiently.

*Disclaimer: I'm only sharing my opinion. You didn't pay for it, so my opinion is only worth that much, haha.<br />2013 GMC Terrain SLT-1, FWD, 3.6 V6 (LFX), Sunroof
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